DARWIN, TWO COPIES OF 'GEOLOGICAL OBSERVATIONS ON THE VOLCANIC ISLANDS AND PARTS OF SOUTH AMERICA', 1876-1891 (2 VOL.)

a) Geological Observations. Smith, Elder, & Co., 1876, second edition, unopened; b) another copy. 1891, third edition, bookplate of J.C. Thackray, Chiswick, together 2 vol., both with half-title, 2 folding maps, 5 folding plates at end, one hand-coloured, original cloth, 8vo, GOOD COPIES

Freeman 276, 282

Good copies
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This title contains the second and third parts of Darwin's geological results from the Beagle voyage. They had previously appeared as separate publications and also in 1851 in a volume containing all three parts.